{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64080", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.031Z", "datePublished": "2026-07-19T15:39:52.818Z", "dateUpdated": "2026-07-19T15:39:52.818Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T15:39:52.818Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Snapshot notifier callbacks under lock\n\nBoth notification handlers currently look up a notifier callback under\nnotify_lock, drop the lock, and then dereference the returned\nnotifier entry. A concurrent unregister can delete and free that\nentry in the gap, leaving the handler to dereference stale memory.\n\nCopy the callback pointer and callback data while notify_lock is\nstill held and invoke the callback only after the lock is dropped.\nThis keeps the existing callback execution model while removing the\nuse-after-free window in both the framework and non-framework\nnotification paths."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/firmware/arm_ffa/driver.c"], "versions": [{"version": "285a5ea0f542db94c3ed11e01a71abb47d15cbf5", "lessThan": "d1e38551fadea230649bc428f0f35c9ee062a072", "status": "affected", "versionType": "git"}, {"version": "285a5ea0f542db94c3ed11e01a71abb47d15cbf5", "lessThan": "0e7be42ef2490f19d859a6146324d48cafdc9d5c", "status": "affected", "versionType": "git"}, {"version": "285a5ea0f542db94c3ed11e01a71abb47d15cbf5", "lessThan": "38290b180a4d5746baed796d49f88d56d2f336cd", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/firmware/arm_ffa/driver.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.34", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.11", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.18.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d1e38551fadea230649bc428f0f35c9ee062a072"}, {"url": "https://git.kernel.org/stable/c/0e7be42ef2490f19d859a6146324d48cafdc9d5c"}, {"url": "https://git.kernel.org/stable/c/38290b180a4d5746baed796d49f88d56d2f336cd"}], "title": "firmware: arm_ffa: Snapshot notifier callbacks under lock", "x_generator": {"engine": "bippy-1.2.0"}}}}

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